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```
/*/
#include <iostream>
#include <algorithm>
#include <cstdio>
#include <cstring>
using namespace std;
typedef long long ll;
const int N = 2e6;
int n,m,a,b;
int main()
{
scanf("%d%d%d",&n,&a,&b);
while(1)
{
if(n < a)
{
printf("%d",n);
return 0;
}
n -= a;
a = a + b;
}
return 0;
}
*/
/*
#include <iostream>
#include <algorithm>
#include <cstdio>
#include <cstring>
using namespace std;
typedef long long ll;
const int N = 2e6;
int n,l,x,ans;
int main()
{
scanf("%d",&n);
scanf("%d",&l);
for(int i=1;i<=n;i++)
{
scanf("%d",&x);
x = min(x,l-x);
if(ans < x) ans = x;
}
printf("%d",ans);
return 0;
}*/
#include <iostream>
#include <algorithm>
#include <cstdio>
#include <cstring>
using namespace std;
typedef long long ll;
const int N = 2e6;
int n,ans;
string s;
int main()
{
cin>>n;
for(int i=1;i<=n;i++)
{
cin>>s;
ans = 0;
int len = s.size();
for(int j=0;j<len;j++)
{
//cout<<s[j]<<" "<<s[j] - '0'<<endl;
ans += s[j] - '0';
}
if(ans % 3 == 0) puts("YES");
else puts("NO");
}
return 0;
}
```

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